Low voltage to the 3.3v pin of the Arduino
High voltage to the 5.0v pin
High voltage Channel 1 Txo to the SDA pin (analog 4)
High voltage Channel 2 Txo to the SCL pin (analog 5)
Low voltage Channel 1 Txi to the SDA pin of tmp102
Low voltage Channel 2 Txi to the SCL pin of tmp102
The RX pins of the logic converter are not used
V+ of tmp102 connected to 3.3v
ADD0 of tmp102 connected to ground
ALT of tmp102 not connected
All grounds connected together.
The code is attached. It puts out the temperature in Deg C to a serial monitor.